<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<button type="button" onclick="Goc()">跳转到C</button>
		<button type="button" onclick="qianjing();">前进</button>
		<button type="button" onclick="houtui();">后退</button>
		<button type="button" onclick="reloadNowPage();">刷新当前页面</button>
	</body>
	<script type="text/javascript">
		function Goc(){
			location.href='http://127.0.0.1:8848/lession3/indexc.html'
		}
		function houtui(){
			history.back()
		}
		function reloadNowPage(){
			location.reload()
		}
		function qianjing(){
			history.forward()
		}
	</script>
</html>
